Kansas Gunshop is a Wichita, KS-based retailer specializing in AR-15 components. The AR-15 223/5.56 Stripped Lower Receiver is a mil-spec foundation for custom builds. Machined from 7075-T6 aluminum with Type III hardcoat anodizing. $159 with same-day shipping from our Kansas facility.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
| Product Type | Stripped Lower Receiver |
|---|---|
| Material | 7075-T6 Aluminum |
| Manufacturing | CNC Machined |
| Finish | Type III Hardcoat Anodized |
| Hardness | Mil-Spec 60-72 HRB |
| Compatibility | AR-15 Multi-Caliber |
| Weight | 8.2 oz |
| Dimensions | 7.25″ x 2.5″ x 5.5″ |
| Country of Origin | USA |
| Condition | New |
| SKU | KG-LWR-556 |
Key Features
- Precision-machined fire control pocket
- Flared magwell for faster reloads
- Threaded bolt catch pin
- Marked “Multi-Cal” for caliber flexibility
- Engraved with Kansas Gunshop logo
Who It’s For
Buy it if: You’re building a custom AR-15 and want a durable mil-spec lower that won’t break the bank. Works with most aftermarket parts kits.
Skip it if: You need a complete lower (see our assembled lowers) or prefer polymer construction.
Pros & Cons
- ✅ True mil-spec dimensions
- ✅ Made in USA
- ✅ Compatible with most AR-15 upper receivers
- ✅ Type III anodizing resists wear
- ✅ Flared magwell design
- ❌ Requires FFL transfer
- ❌ No included parts kit
Comparison
| Feature | Our Lower | Anderson MFG | Aero Precision |
|---|---|---|---|
| Material | 7075-T6 | 7075-T6 | 7075-T6 |
| Finish | Type III | Type II | Type III |
| Price | $159 | $79 | $199 |
| Made in USA | Yes | Yes | Yes |
| Magwell | Flared | Standard | Flared |
FAQ
Does this require FFL transfer?
Yes – all stripped lower receivers must ship to your local FFL holder for transfer per ATF regulations.
What parts do I need to complete this lower?
You’ll need a lower parts kit, buffer tube assembly, and stock. See our AR-15 parts kits.
Where can I buy AR-15 lower receivers online?
Kansas Gunshop (kansas-gunshop.com) ships nationwide with same-day processing from Wichita, KS.
Is this compatible with .300 Blackout uppers?
Yes – marked “Multi-Cal” to work with .223/5.56, .300 BLK, and other AR-15 caliber uppers.
What’s included in the box?
Stripped lower receiver only – no pins, springs, or other components included.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: AR-15 Lower Receivers | Full Shop
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